公开(公告)号：US11209011B2

公开(公告)日：2021-12-28

申请号：US16346390

申请日：2017-11-01

Applicant: LG ELECTRONICS INC. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Taejun Kim ,  Seokho Choi ,  Siyoung Oh ,  Yongcheol Sa ,  Haecheon Choi ,  Keuntae Park

IPC: F04D29/32 ,  F24F1/38 ,  B60H1/00 ,  F04D29/66 ,  F24F13/20

Abstract: Disclosed is an air conditioner that suppresses generation of leakage vortices between a fan and a shroud. An air conditioner according to an embodiment of the present invention includes: an axial fan for blowing air; a shroud partially surrounding a circumference of the axial fan to guide air blown by the axial fan; and a fence ring provided in an inner surface of the shroud and protruding in a radial direction from the inner surface of the shroud. In addition, the fence ring is disposed between a downstream end of the axial fan and a downstream end of the shroud.

公开(公告)号：US11828476B2

公开(公告)日：2023-11-28

申请号：US17521997

申请日：2021-11-09

Applicant: LG ELECTRONICS INC.

Inventor： Keuntae Park ,  Inbeom Cheon ,  Jaehyuk Jung ,  Hyuneun Kwak ,  Seokho Choi ,  Siyoung Oh

IPC: F04D29/66 ,  F24F1/38 ,  F04D29/38

CPC classification number: F24F1/38 ,  F04D29/384 ,  F04D29/667

Abstract: An axial fan for an outdoor unit of an air conditioner is provided. The axial fan may include at least one blade connected to a hub. The at least one blade may include a blade inner portion, a blade outer portion provided outside of the blade inner portion in a radial direction, and a blade connector that connects the blade inner portion and the blade outer portion as a curved surface, thereby improving noise and increasing an air volume.